US Bridges

County Highway over Pembina River

FairPosted for load

Cavalier County, North Dakota · 4 South of Vang · Structure no. 000000010141110

Built
1917
108 years old
Condition
Fair
inspected August 2024
Type
Truss - Thru
Steel
Length
61 ft
1 main span
Daily traffic
5
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Pembina River is a steel truss - thru carrying County Highway over Pembina River in Cavalier County, North Dakota. It was built in 1917, so it is 108 years old, older than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 5 vehicles a day, projected to reach 5 by 2038. The structure is 61 ft (18.6 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesPembina River
Location4 South of Vang
RouteCounty Highway 0
CountyCavalier County
StateNorth Dakota
Coordinates48.84824, -98.11644
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating12.6 US tons
Inventory rating7.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span59 ft (18 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2018)
Projected traffic5 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$260,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Pembina River built?

It was built in 1917, making it 108 years old in 2025.

What condition is County Highway over Pembina River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does County Highway over Pembina River carry?

About 5 vehicles per day (2018 count).

How long is County Highway over Pembina River?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (18 m) and a deck 18 ft wide.

Who owns County Highway over Pembina River?

It is owned by the County Highway Agency.